Google Warns of a New Way Hackers Can Make Malware Undetectable on Windows

Cybersecurity researchers have disclosed a novel technique adopted by a threat actor to deliberately evade detection with the help of malformed digital signatures of its malware payloads. "Attackers created malformed code signatures that are treated as valid by Windows but are not able to be...

Hacked Security Software Used in Novel South Korean Supply-Chain Attack

The Lazarus cybercriminal group is using a novel supply-chain attack against visitors to websites operated by the South Korean government and financial firms, in order to deliver dropper malware that eventually plants a remote access trojan on victim’s PCs. The attacks use stolen digital...

Trojanized Security Software Hits South Korea Users in Supply-Chain Attack

Cybersecurity researchers took the wraps off a novel supply chain attack in South Korea that abuses legitimate security software and stolen digital certificates to distribute remote administration tools RATs on target systems. Attributing the operation to the Lazarus Group, also known as Hidden...

PT-2020-1289

Name of the Vulnerable Software and Affected Versions Windows CryptoAPI Crypt32.dll versions prior to the fixed version Description A spoofing vulnerability exists in the way Windows CryptoAPI validates Elliptic Curve Cryptography ECC certificates. An attacker could exploit the vulnerability by...

Stolen D-Link Certificate Used to Digitally Sign Spying Malware

Digitally signed malware has become much more common in recent years to mask malicious intentions. Security researchers have discovered a new malware campaign misusing stolen valid digital certificates from Taiwanese tech-companies, including D-Link, to sign their malware and making them look lik...

The Rise of Super-Stealthy Digitally Signed Malware—Thanks to the Dark Web

Guess what's more expensive than counterfeit United States passports, stolen credit cards and even guns on the dark web? It's digital code signing certificates. A recent study conducted by the Cyber Security Research Institute CSRI this week revealed that stolen digital code-signing certificates...

Windows Botnet Spreading Mirai Variant

A Chinese-speaking attacker is spreading a Mirai variant from a repurposed Windows-based botnet. Researchers at Kaspersky Lab published a report today, and said the code was written by an experienced developer who also built in the capability to spread the IoT malware to Linux machines under...